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The free‐settling of solid cylindrical particles in the turbulent regime
Author(s) -
Isaacs Jack L.,
Thodos George
Publication year - 1967
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450450306
Subject(s) - settling , reynolds number , turbulence , cylinder , mechanics , physics , mathematics , particle (ecology) , materials science , classical mechanics , geometry , thermodynamics , geology , oceanography
Experimental measurements have been conducted to establish a correlation for the settling velocities of cylindrical particles whose length to diameter ratios varied from 10 to 1/10 and Reynolds numbers between 200 and 60,000. It was found that separate correlations exist for cylinders of L/D > 1.0 and for L/D < 1.0. These relationships are expressed analytically and were found to be independent of the Reynolds number. In addition, a qualitative description of the motion generated by the particle during settling has been discussed for cylinder of L/D less than, equal to, and greater than one.